Asus SL1200 User manual

User Manual
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E2923/ November 2006
SL1200
Internet Security Router

Copyright © 2006 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may
be reproduced, transmitted, transcribed, stored in a retrieval system, or translated
into any language in any form or by any means, except documentation kept by the
purchaser for backup purposes, without the express written permission of ASUSTeK
COMPUTER INC. (ASUS).
Product warranty or service will not be extended if: (1) the product is repaired,
modied or altered, unless such repair, modication of alteration is authorized in
writing by ASUS; or (2) the serial number of the product is defaced or missing.
ASUS provides this manual “as is” without warranty of any kind, either express
or implied, including but not limited to the implied warranties or conditions of
merchantability or fitness for a particular purpose. In no event shall ASUS, its
directors, ofcers, employees, or agents be liable for any indirect, special, incidental,
or consequential damages (including damages for loss of prots, loss of business,
loss of use or data, interruption of business and the like), even if ASUS has been
advised of the possibility of such damages arising from any defect or error in this
manual or product.
Specifications and information contained in this manual are furnished for
informational use only, and are subject to change at any time without notice,
and should not be construed as a commitment by ASUS. ASUS assumes no
responsibility or liability for any errors or inaccuracies that may appear in this
manual, including the products and software described in it.
Products and corporate names appearing in this manual may or may not be
registered trademarks or copyrights of their respective companies, and are used
only for identication or explanation and to the owners’ benet, without intent to
infringe.
E2923
First Edition
October 2006
Copyright Information

Contact Information
ASUSTeK COMPUTER INC.
Company address: 15 Li-Te Road, Beitou, Taipei 11259
General (tel): [phone]
Web site address: www.asus.com.tw
General (fax): [phone]
General email: [email protected]
Technical support
General support (tel): [phone]
Online support: http://support.asus.com
ASUS COMPUTER INTERNATIONAL (America)
Company address: 44370 Nobel Drive, Fremont, CA 94538, USA
General (fax): [phone]
Web site address: usa.asus.com
Technical support
General support (tel): [phone]
Online support: http://support.asus.com
Notebook (tel): [phone] x5110
Support (fax): [phone]
ASUS COMPUTER GmbH (Germany & Austria)
Company address: Harkort Str. 25, D-40880 Ratingen, Germany
General (tel): [phone]
Web site address: www.asus.com.de
General (fax): [phone]
Online contact: www.asus.com.de/sales
Technical support
Component support: [phone]
Online support: http://support.asus.com
Notebook support: [phone]
Support (fax): [phone]

Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received including
interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interfer-
ence in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance
with manufacturer’s instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions
from digital apparatus set out in the Radio Interference Regulations of the Canadian
Department of Communications.
This class B digital apparatus complies with Canadian ICES-003.

Table of Contents
1 Introduction............................................................1
1.1 Features ...................................................................1
1.2 System Requirements ..............................................1
1.3 Using this manual .....................................................2
1.1.1 Notational conventions............................................... 2
1.1.2 Typographical conventions......................................... 2
1.1.3 Symbols ..................................................................... 2
2 Getting to Know the ASUS SL1200......................3
2.1 Package contents .....................................................3
2.2 Front Panel ...............................................................3
2.3 Rear Panel ...............................................................3
2.4 Major Features .........................................................5
2.4.1 Firewall Features ....................................................... 5
2.4.2 VPN............................................................................ 9
3 Quick Start ........................................................... 11
3.1 Part 1 —Connecting the hardware .........................11
3.1.1 Connect to an ADSL or a cable modem ..................11
3.1.2 Connect computers or a LAN ....................................11
3.1.3 Attach the power adapter ......................................... 12
3.1.4 Turning on the ASUS SL1200 .................................. 12
3.2 Part 2 — Conguring Your Computers ...................13
3.2.1 Before you begin ..................................................... 13
3.2.2 Windows®XP PCs.................................................... 14
3.2.3 Windows®2000 PCs ............................................... 14
3.2.4 Windows®95, 98, and ME PCs ............................... 15
3.2.5 Windows®NT 4.0 workstations ............................... 16
3.2.6 Assigning statics IP addresses to your PCs ............ 16

3.3 Part 3 — Quick Conguration of
ASUS SL1200 ........................................................18
3.3.1 Buttons Used in Setup Wizard ................................ 18
3.3.2 Setting up the ASUS SL1200 .................................. 19
3.3.3 Testing Your Setup .................................................. 25
3.3.4 Default Router Settings .......................................... 25
4 Using the Conguration Manager......................27
4.1 Log into the Conguration Manager ........................27
4.2 Functional Layout ....................................................29
4.2.1 Setup Menu Navigation Tips ................................... 29
4.2.2 Commonly used buttons and icons .......................... 30
4.3 Conguration Manager's Home Page ....................31
4.4 Overview of System Conguration .........................31
5 Conguring LAN Settings ..................................32
5.1 LAN IP Address ......................................................32
5.1.1 LAN IP Conguration Parameters ........................... 33
5.1.2 Conguring the LAN IP Address .............................. 33
5.2 Dynamic Host Control Protocol (DHCP) ..................34
5.2.1 What is a DHCP? .................................................... 34
5.2.2 Why use a DHCP? .................................................. 34
5.2.3 Conguring a DHCP Server ..................................... 35
5.2.4 Viewing Current DHCP
Address Assgnments .............................................. 37
5.3 DNS ........................................................................38
5.3.1 About DNS ............................................................... 38
5.3.2 Assigning DNS Addresses ...................................... 38
5.3.3 Conguring DNS Relay ........................................... 38
5.4 Viewing LAN Statistics ............................................40

6 Conguring WAN Settings ................................41
6.1 WAN Connection Mode ...........................................41
6.2 PPoE .......................................................................42
6.2.1 WAN PPoE
Conguration Parameters ....................................... 42
6.2.2 Conguring PPoE for WAN ...................................... 43
6.3 Dynamic IP ..............................................................44
6.3.1 WAN Dynamic IP
Conguration Parameters ....................................... 44
6.3.2 Conguring Dynamic IP for WAN ............................. 44
6.4 Static IP ...................................................................45
6.4.1 WAN Static IP
Conguration Parameters ....................................... 45
6.4.2 Conguring Static IP for WAN .................................. 46
6.5 Viewing WAN Statistics ...........................................47
7 Conguring Routes ............................................48
7.1 Overview of IP Routes .............................................48
7.1.1 Do I need to dene IP routes? ................................ 48
7.2 Dynamic Routing Using
Routing Information Protocol (RIP) .......................49
7.2.1 Dynamic Routing (RIP)
Conguration Parameters ...................................... 49
7.2.2 Conguring RIP ...................................................... 50
7.3 Static Routing ..........................................................51
7.3.1 Static Route Conguration Parameters .................. 51
7.3.2 Adding a Static Route ............................................. 52
7.3.3 Deleting a Static Route ............................................ 52
7.3.4 Viewing the Routing Table ....................................... 52

8 Conguring DDNS ..............................................54
8.1 DDNS Conguration Parameters ............................55
8.2 Access DDNS Conguration Page ..........................56
8.3 Conguring HTTP DDNS Client ..............................57
9 Conguring Firewall/NAT Settings ...................57
9.1 Firewall Overview ....................................................58
9.1.1 Stateful Packet Inspection ...................................... 58
9.1.2 Denial of Service (DoS) Protection ......................... 59
9.1.3 Firewall and Access Control List (ACL) .................. 59
9.1.4 Default ACL Rules ................................................... 60
9.2 NAT Overview ..........................................................60
9.2.1 Static (One to One) NAT ......................................... 61
9.2.2 Dynamic NAT ......................................................... 62
9.2.3 Network Address and Port Translation (NAPT) or
Port Address Translation (PAT) ............................... 63
9.2.4 Reverse Static NAT ................................................. 64
9.2.5 Reverse NAPT/Virtual Server .................................. 64
9.3 Conguring Inbound ACL Rules ..............................64
9.3.1 Inbound ACL Rule
Conguration Parameters ....................................... 65
9.3.2 Access Inbound ACL Rule Conguration
Page (Firewall -> ACL) ........................................... 69
9.3.3 Add Inbound ACL Rules .......................................... 69
9.3.4 Modify Inbound ACL Rules ...................................... 70
9.3.5 Delete Inbound ACL Rules ...................................... 70
9.3.6 Display Inbound ACL Rules ..................................... 70
9.4 Conguring Outbound ACL Rules ...........................71
9.4.1 Outbound ACL Rule
Conguration Parameters ....................................... 72

9.4.2 Access Outbound ACL Rule Conguration
Page (Firewall -> Outbound ACL) .......................... 69
9.4.3 Add Outbound ACL Rules ....................................... 75
9.4.4 Modify Outbound ACL Rules ................................... 76
9.4.5 Delete Outbound ACL Rules ................................... 76
9.4.6 Display Outbound ACL Rules .................................. 77
9.5 Conguring URL Filters ...........................................77
9.5.1 URL Filter Conguration Parameters ...................... 77
9.5.2 Access URL Filter Conguration
Page (Firewall -> URL Filter) .................................. 78
9.5.3 Add URL Filter Rules ............................................... 78
9.5.4 Modify URL Filter Rules .......................................... 79
9.5.5 Delete URL Filter Rules ........................................... 79
9.5.6 View Congured URL Filter Rules ........................... 79
9.6 Conguring Advanced Firewall Features
(Firewall -> Advanced) ...........................................80
9.6.1 Conguring Self Access Rules ................................ 81
9.6.2 Conguring Service List ......................................... 83
9.6.3 Conguring DoS Settings ....................................... 86
9.7 Firewall Policy List (Firewall -> Policy List) ..............90
9.7.1 Conguring IP Pool ................................................. 90
9.7.2 Conguring NAT Pool ............................................. 94
9.7.3 Conguring Time Range ......................................... 98
9.8 Firewall Statistics
(Firewall -> Statistics) ...........................................102
10 Conguring VPN ..............................................103
10.1 Default Parameters .............................................103
10.2 VPN Tunnel
Conguration Parameters ....................................107

10.3 Establishing VPN Connection
Using Automatic Keying ....................................... 111
10.3.1 Add a Rule for VPN Connection
Using Pre-shared Key ............................................111
10.3.2 Modify VPN Rules .................................................113
10.3.3 Delete VPN Rules .................................................113
10.3.4 View VPN Rules ....................................................114
10.4 VPN Statistics ......................................................114
10.5 VPN Connection Examples .................................115
10.5.1 Intranet Scenario - rewall + VPN and
no NAT for VPN trafc ............................................116
10.5.2 Extranet Scenario - rewall + static NAT +
VPN for VPN trafc ............................................... 122
11 System Management .......................................130
11.1 Congure System Services .................................130
11.2 Change the Login Password ...............................131
11.3 Modify System Information ..................................132
11.4 Setup Date and Time ...........................................131
11.4.1 View the System Date and Time ......................... 133
11.5 SNMP Setup ........................................................134
11.5.1 SNMP Conguration Parameters ........................ 134
11.5.2 Conguring SNMP ............................................... 134
11.5.3 View the System Date and Time ......................... 133
11.5.4 View the System Date and Time ......................... 133
11.6 System Conguration Management ....................135
11.6.1 Reset System Conguration ................................ 135
11.6.2 Backup System Conguration ............................. 136
11.6.3 Restore System Conguration ............................. 137